First make sure the Samsung SCH-U420 is in the on position. Make sure your connection between the handset and computer are secure and snap in correctly. Wait for the charging symbol to appear on the screen. Continue normally with the Houdini Detect button and complete the Houdini process.

Additional Issues

Always make sure the drivers for the handset have been installed correctly.

If your handset is not being detected view the most common issues below

Damaged data port on the handset itself. Check for water damage or damage to the data port on the handset.